/*
 * Copyright (C) 2008 GeoScheduler Team, as stated on <http://www.geoscheduler.org/authors>.
 * 
 * This file is part of GeoScheduler.
 * 
 * GeoScheduler is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * GeoScheduler is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with GeoScheduler. If not, see <http://www.gnu.org/licenses/>.
 */
package org.geoscheduler.model;

import org.geoscheduler.commons.marshaller.JSONField;

/**
 * 
 * <h2>VersionedEntity</h2>
 * <p>
 * Superclass for versioned entities
 * </p>
 * 
 * @author lko
 */
public class VersionedEntity implements Versioned {

	Integer version;

	@JSONField
	public synchronized Integer getVersion() {
		return version;
	}

	public synchronized void setVersion(Integer version) {
		this.version = version;
	}

	public synchronized void incVersion() {
		this.version++;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + version;
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj) {
			return true;
		}

		if (obj == null) {
			return false;
		}

		if (getClass() != obj.getClass()) {
			return false;
		}

		final VersionedEntity other = (VersionedEntity) obj;
		if (version != other.version) {
			return false;
		}
		return true;
	}

}
